'pEL- (vi r-tlZ-J r0 k-t~S CoN tvl UNt TL-f ~(LJ I (J).o f:Y1 ~1 fl-l L -rwrr 1t/f2-- cQ.(,ffU 1~ -rU T I A.J(1 l'C20U.C1 j ICj cll-I qq~; 2-DvO .-2-00 \

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- ----------

~.

... ,,~--~~r-----

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l •.",~•.

If"I"

'1-.<""

Page

07/25/2000

08/14/2000 I

09126/2000 i

10117/2000 :

11114/2000

12/12/2000

Salinity

Salinity

Salinity

Salinity

Salinity

20 PPT

20PPT

20PPT

20 PPT

20 PPT

•Water Testing Results

incoming 9 11 21 21 18 18

incoming '17 24 t 23 24 22 21

incoming 25-j

26 25 22 24 24

slack 22 25 24 28 25I

24II

incoming 8 23 23 27 25:

25

incoming 16 23 23 27 25 25

<SUJ)stiI) n/<'- ~OO(l 3C'v "700

County of Marin, HHS Public Health Lab920 Grand Avenue San Rafael, CA 94901Katherine Flink, M.S. Laboratory Director

Phone:415-499-6849Fax: 415-499-6855ellA 05D06432862

CHPHL #0786ELAP 1896

Water Analysis

04/30/2001 19:23

........ "".,-.....

415-883-0512 SUSAN LATTANZIO PAGE 01

3)2J:Jl:J I

Lab # 01- 69Send Report ~o: CHent # 17Bel Marin Keys4 Montego KeyNovato CA 94949

Sampled From: Client # 17Bel Marin Keys4 Mentego KeyNovato CA 94949

Atten: Sue Lattanzio

Chain of CLlstOd~:

Chlorine R~sidue

RESULTS:

59

#/

- 'S-: ..:s~.~~;I f:,.

tVtl~ ~ W4 t-'i\?cl~ "-ltJ <:te...

Date Final Result i Test Name Count Volume Tested04/0412001 Total coliform PRESENT : MPN by MTF 300 "MPNI100ml water04/04/2001 . Fecal C6~lif";":'or-'-m~P';';R"'E;"S~E=i:N7-:T=---"";,M;.:.n,..PN;,...:.-.;=.b.....~ -:,.:M=T:-:F-----~4::,::O:..----r;M.;.;,p .....N;;,./1;..:O-=O;,.:..;m.;-.1~;.,;.;va;:'Ot.;:.;er'----

Printed by: NancySigned by: Nancy Barnard

"lIt-I/O! Feu... \ S-rr<'r'-rc.:.~,,~ {)R~~t:~

WElter Lab Slip ver 3.6.5@etBSottware,1999. All Rights Reserved

04·04-2001 14:43

84/38/2881 19:23 415-883-8b12 SLiSAN LATTANZIO PAG~ 82

.,,. ..~ .. , "

County of Marin, HHS Public Health Lab920 Grand Avenue San Rafael, CA 94901Katherine Flink, M.S. Laboratory Director

Phone:415-499·6849Fax: 415-499-6855ellA 05D06432862

CHPHL #0786ELAP 1896

Water AnalysisLab # 01 .. 70

Send Report To: Client # 17Bel Marin Keys4 Montego KeyNovato CA 94949

Sampled From: Client # 17Bel Marin Keys4 Montego KeyNovato CA 94949

C-y !>

-.-" I

rvcJ~"()~t~~~dc.

At1en: Sue Lattanzio

Chain of Custody:

Sample Site: Type 01 Sample; "Stream

Chlorine Residue

RESULTS:

'test Nama Volume TestedMPN/100ml waterMPNI1 OOml watereo

700Count

I MPN by MTF: MPN bl: MTF

Date Final Result

04/0412001 Fecal Coliform PRESENT04/04/2001 Total coliform PRESENT

Printed by: NancySigned by: Nancy Barnard

Water Lab Slip ver 3.6.5<l:l BtB Sol1ware,1999. All Rights Reserved

04·04·2001 14:43

04/30/2001 19:23 415-883-0612 SUSAN LATTANZIO PAGE 03

County of Marin, HHS Public Health Lab920 Grand Avenue San Rafael, CA 94901Katherine Flink, M.S. Laboratory Director

Phone:415-499-6849Fax; 415-499-6855ellA 05D06432862

CHPHL #0786ELAP 1896

Water Analysis

Send Report To: Client # 17Bel Marin Keys4 Montego KeyNovato CA 94949

Sampled From: Client # 17Sel Marin Keys4 Mon1ego KeyNovato CA S4949

Lab # 01-74

#' t, or

~;\ f"t7~ \).,..\.~~

~\~3'1

r; I ~ 0 - / So.{/,

~C'~~

Atten; Sue Lattanzio

Chain of Custody:"R:::-e;...;.c...;;.e-;-ive..:..d~:~ O;:..;3:.;.;/2;:..;7....;I2:;..O_O_1_/_1..;..0:..;;.3-,-0 -;;.R;-e....;.c..:..ei....,ve:-;d;:..;b:;.JY: Mar9.ie;...."S;,:;a:.;.:m.:..tp:.;.,:Je:....S;;;..:i~te;.:..: __---,...",.".....,..,,=-:-r..,..-;:--::-:::- --;;T,f-C,ype5>f Sample: Stream: COllected: ,03/27/2001 / 10:05 .... ---=C-=.o;;.;lIe::.;:cted bv.:._. .D,•. Perkins_ _ _,..;'S=:e~t.-=u-!=-P;...: -=-----:-c,--_···-_:O::.:·3:;.:i2.::.;·7....;/2::.;..O:..:O...;.1..;../..J·(.~3i.:...,2?=_ __- ....::S:.:8:.;..t•..=Ut:..p=.bJ.:.Y:_"'_'_. 8 Pi9ifdiIS ~t"'~~:::...'""-'__

, Chlorine Residue

RESULTS:

Date i Final Result04/04/2001 ! Total coliform PRESENT04/04i200i ; Fecal Coliform PRESENT

Test Name Count Volume Tested: MPN by MTf ~3~IO,::OO~-_7M_:_::P~N+:-/1::-:0~O:-'-'m~1 ~w..y;atFe.;,..r_: MPN by MTF 800 MPN/100ml water

Printed by; NancySigned by: Nancy Barnard

Water Lab Slip vet 3.6.5~ BIB Sottware.1999, All Rights Reserved

04-04·2001 14~43

03

7fde..

So

l>

PAGE

? COflll11~rn.p

LAB RiPOIfI

&.C(MPN)

~ 1!.t00

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WAT£REXAMINATION

o LAGOON

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o BAY

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~GOON

~;,:' 0.0.1£ PEC.

SLiSAN LATTA,',jZ IO

S'i-'l£.- 2. - y-o!.; ,.....A< :;: ,$ pc. 4?..S' ..>+J!ii......... CC.t==:a' •. It 1.;:: ...114,..~It ... '+'l.. ,'" .•• « .':0': , ""!'4f .

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415-883-0512

~

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'it

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D LEAKED IN mANSlT

o INSlMlCIENT SAMPUi

c:i.AcCEPTABlf 9AMPU:

M),~IN COUNTY H~Al.Tt< LABORATORY WATER, "4- 'to: ':1

... ::;;.920 GRANO AlIt· - ~"N I1/lFAEl CA 9490' EXAMINATION ;) ~. d499·0ll<l9 ""

lAll RII'ORT

PuM'tOn IV'lO AOOllf~ IIOlTll NUM8ER CI ""ICiuKiRM(M ~N)

~V &k Alk !:/ &OC

TYPE OF ~r&.C.(MPN)

SAMPLE 0 O~INKINO WAT'~ o Sb.V I' 0 r.>Jc~ ,;: I &00

~LA"'O""'~ COUfO'"0 SliWA(;;' o \.A";OON o "peNl

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0 OTH£R "", .~.(MPNJ

1: ",/;>;t ....001

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o LEAKED IN 1RANSIT eJ'l rl

o INSU~",CIENT SAMPlE ~ ~ ((>-!Q.,~ACCEPTABLE SAMPLE

,:...; "'~'.\

MARIN COUNTY HE~lTH LABORATORY920 GRAND AVE,· SAN ~Af"'EL CA 94901

499-6 49

lAIlOll"TO~V ~EMAAKS 'DAJ'e ~EC,

9'o LEAKED IN mANSIT .;.no INMFICItNTSAMPlE I =ctACCEPlA8LE SAMPLE ~

7t.*"! ~ .:',:.~' ,w ..', ,,,,q";";'-~!!,."J1"'A.' :r"·:.,··lli"1iOI, ..

04/30/2001 19:19. rtC't-ed

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/5

02PAGE

17

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ANA.l'fSI <Are COUNT

SUSAN LATTANZIO

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WATEREXAMINATION

~ruc,

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415-883-0512

ORINI<lNG WAIE~

19: 19

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MAllIN COUNTY HEALTH LASORAl'O~Y'120 GRANO A.V~, • SAN llAMa CA 94901

409-6849

MAlliN Ij;OUNrv HEALTH lA80RATOQV92i) GRAND Alit:, • SAN OAF.A,£l,. eA 94Q01

4199-6849

WIOlWQIlV RiMAAKS

o lliAJ<EO IN T~"NSrT

o It-ISVfftCIENT SAMPlE

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lA80• ..,lOIlVR~.I<I

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* ""AIolCl AlIt . $AlIlllAfAfL CA 94001~

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MARIN COUNTY HEALTH LABORATORY920 GRAND AVE.• SAN RAFAEL CA 94901

499·6849

LA80ilAlOflV REMARKS

o LEAKED IN lflANsn

[] INSUFFICIENT SAMPLE

Jk.ACCEPTABLE SAMPLE

•

WATER.:Q: -A..~572EXAMINATlOQV£: ~K . VVv' r LAB REPORT

MARIN COUNTY HEALTH LABORATORY920 GRAND AVE. - SAN RAFAEL CA 94901

499·6849

.C.(MPN)TYPE OF

12../,2- .31;;0SAMPLE [] DRINKING WATER o BAY

ELAPSED liME COl.lfORM

0 SEWAGE o LAGOON ::J ABSENT"'I"""PIlESENT

)( STREAM [] POOL Ij) ECAl COUfOflM(,'.~ CJ ABSENT

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LABOIlAIOIlY REMARKS DAlE REC. DATf.fJPORTED ANAlYSI

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!I;;; ACCEPTABLE SAMPLE

•

._ ...._----------- --------~~---------_._---

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5°ECAl COUfORM

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F5.(MPN)

fwECOUNT

IPSCUDOMONAS

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ANALYST

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IElAPSliO nME

IBOTTU: NUMBER

15

=POOL

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SEWAGE

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TYPE OFSAMPLE•

PhCI

-'IN·t1512V LAB /lEPOIIf

WATEREXAMINATIO

MARIN COUNTY HEALTH LABORATORY920 GRAND AVE.• SAN RAFAEL CA 94<;J()1

499-6849

OM

Z/&OO

.:.' ~~d.C.(MPN)

TYPE OF~,S(;SAMPLE 0 o BAY

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<:00

lAIlOllAlOIlY llfMA1IlCS OM REC, OA~PORTED ANALYST rLATECOUNT

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It ACCEPTABLE SAMPLE Col

SAY

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IBOTTl£ NUMBER

111iSCi·'J? TIME t:::JIII i.r

LAB ~tl'Ol/l

CI

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_~"l

.-..

MARIN COUNf, !-'EALTH LABORATORY \VATER920 GRAND AVE, - SAN RAFAEL CA 94901 EXA,\.l:NATION

400-6849

SEWAGE

i BOTTLE NUMBER

ELAPSED nME

.LAB llEPOllT

1C':::::"=C~M

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DATE ~EC. DATE REPORTE~

':"---_._----------_._--------------_....------------ ._------

13OUFC:<lA (M P N)

LAB REPORT

.C. (M P N)

5D D

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ANALVST TE COUNT

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WATEREXAMINATION

o BAY

Q LAGCCN

LJ POOL

DATEIlf:C.

C SEWAGE

C DRINKING WATER

C OTHER

A STREAM

MARIN COUNTY HEALTH LABORATORY920 GRAND AVE. - SAN RAFAEL CA 94901

4QQ-6849

LA8ORA1ORY REMARI<S

o LEAKED IN TRANSIT

o INSUFFICIENT SAMPLE

~CCEPTABLE SAMPLE

WE OFSAMPLE

MMYORAN A4JK

_._---_._.._----_._----------~----_. __.-._.._ _-- _.-_._~_.-- ~- ~--- ---~---

ECAt COlIFORM

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L2

COUfOIlM

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..,

/'1 ~30

DATE J/El'ORTED'-

ELAPSED TIME

lEAVI'

WATEREXAMINATION

DATE/l£!;.

1,', 1,1';3 CO I!: .

MARIN COUNlY HEALTH LABORATORY920 GRAND AVE. - SAN RAFAEL CA 94901

499·6849

lABORATORY ~EMAAl<S

o LEAKED IN TRANSIT

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o ACCEPTABLE SAMPLE

COll/jDi-p

~"S PLE [] DRINKING WAlER L] BAY

0 SEWAGE RGOON

J 0 STREAM [1 POOl

[l OTHER

~

•

•

MARIN COUNlY HEALTH LABORATORY920 GRAND AVE. - SAN RAFAEL CA 94901

499·6849

o DRINKING WATER

o SEWAGE

KSTREAM

o OTHER

lABORAlORY /l£MARkS

o LEAKED IN TRANSIT

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WATEREXAMINATION

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[] POOl

DATE/l£C

ElAI'SEDlIME

r·

0-

DAT~PO~IED

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F.S (MPN)

22PLATE COUNT

UOOMONAS

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Ph

/3D

130.C (MPN)

ECAl COlIfO~M~~I ABSENr

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# Q l~• .± lJ-!lAB REPORT

ANALYST Pl."lF r(llir n

NK

ELAPSED liME

SEI·U liME ~

4~

~..C\JfoQ~H'OPIED

XQ..

oo

[1 LAGOONo SEWAGE

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MARIN COUNlY HEALTH LABORATORY920 GRAND AVE.· SAN RAFAEL CA 94901

4 ·6649

LABORATORY /l£MARKS

r: ..... ,...~

•

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1·""p"OtUIw.l1I

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MARIN COUNTY HEALTH LABORATORY920 GRAND AVE.• SAN RAFAEL CA 94901

499·6849

TYPE OFS'f({

•

MARIN COUNTY HEALTH LABORATORY920 GRAND AVE.. SAN RAFAEL CA 94901

499-6849

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MAllIN COIINlV Hl!ALTH LA&QRI\TO/lY WATER920 GAANO NJi.. SAN RAFAEL CA 9f901 EXAMINAnON

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:J LEAkeD IN TRAIIM

o INSUFFCENTSAMI'I.E

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• Date Coliform e coli

04/20/1998 540 35005/11/1998 2400 '11007/06/1998 2400 35010/05/1998 920 17005/10/1999 50 1409/21/1999 50 1710/26/1999 170 50

•

•

WAtEREXAMINATION

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JJL. 10,1998!

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WATEREXAMINATION

MARIN COUNTY HEALTH LABORATORY920 GRAND AVE.. SAN RAFAEl, CA. 94901

479 1100 EXT 2727 f"., • ... . . ~ . AV A"PURVEYOR AND ADDRESS -•... nr •• , : ...

~ ... .. 1\0"1£ NUMIUP CI rh. ,

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o DQINKING WATER D Sf WAGE DMY o lAGOON i:(G • \'" I (....~ ('?.L Lf 00

TYPE Of t /:l~SAMPLE COllf.QIIM 1M Fl

~IREAM o POOL 0OiliER(SPECifY!

'C 1M r,RESULTS {TO BE FILLED IN BY LABORATORY ONLY)

lUBE NUMBER ORI I .I l

QfAO

PORIIONS , I i ,1 0'r S 1M fl

PORfKWS IN Ml ,1(.l(';51 1(- I[ I, I( I ( ~~ .-1" I •.1 .2. ·7, ·2 ..1 " ··3 3 3 3 J .. A .. • A

PRf5UMPliVE II)~ H~QS .+ -I- + -J.. -/- -, /- -\ I I I \ I I I (/1,IfSI ~A" rt)\JtH..CONFIQMED l' +-1+ .1- l-I~ 1-4- 1- -1 l- f- i- t+ -/ 1-/1£51 "'~I III·' ·'.l')'l,~';.

All

'l- I-- .,- I J. -'-1 'j- .t"" l{ -I 1-1 )- -E C 14 f ,flABOQATORY QEMARKS

DATE flEe. DATE REPORTED__ ANA~YSTo LEAKED IN TRANSIT , j"J r"1" .

.. I_. )

: _~ '/I(o INSUFFICIENT SAMPlE I

LAB REPORT

Ie IMPHI

COUfQIIM IMf)

it: IMr,

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()AfE ANO HOJG COHfCffO

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o lAGOON

WATER A)EXAMINAnON -

o BAY

o g~~~~IYI --1

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RESULTS (TO BE FIllED IN BY lABORATORY ONLY)

o POOL

o DRINKING WAfER

MARIN COUNTY HEALTH LABORATORY920 GRAND AVE.• SAN RAFAEL CA. 94901

479 1100 EXT 2727

PURVEYOQ AND ADDRE~S BEL MARIN KEYS C.S.D.4 Montego Key

IYPE 0'SAMPlE

lUBE NUMBER ORPORTIONS

PORTIONS IN Ml (lOGSl

i \ \ I \ • t .1 \ I. I3 .J ·4 .4 ·4 ·4 ·4

11"0\0

e' r S (M"

CONfiRMEDIIS1

PRESUMPTIVE V.)-"I_H021U~4QS~I!.:..+-l!.:.-+·!..~·~\-I· ..!t~~!...·I-·.!..ft-·.:..I ~+~'('-l'~i--+!I_··I--,-J:;-l~-+---+-J.-J.--..j~I-l-+-+-+--+-.-J!:(1..(),..:....j~r;r:;:;;;;;,---T£S f ~ .J- ~ .J- F'lA rl COUN'

./-./ -f 1 I .{ II i (I- -r ,1- ·1.. f-I-

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I .. '" ("7 1" "

IABORAlORY REMARKS

o LEAKED IN TRANSIT

o INSUFFICIENT SAMPLE~ (l_r_r_~,~·\

DATE RK. ANA~YST

I

:jfAI

LAB REPORT

I I

VVl"\ I [,t\ UEXAMINATION479·" 00 EXT. .27.21 lEAV{ BlANK

PURVEYOR AND ADDRESS w ..... '.I"nll' nr;.l;:) \.-•.':l,U, BOTllf NUMlVQ (I rh

4 Montego Key /---'•.. ~. • OdOlla -dSAMPlING POINI

c~~D~~"I(,it- OA.n AND HOUR COlIECTfO COlifORM 1M P Nl

tJ(.I\'t1~(, ((h.).- nUI\11 ~f1(A h·ir-lI'> i/; 'b'ir! J{I,'lj,(A 72.... ltoC I

, . 1\Jt:iI.'L 1<.., I Ie fMPH)

o ORIN~ING WAIER o SEWAGE 0 BAY o LAGOON I -;}~ Ti- iI.De I']TVPE OF

UJ;,SAMPlE COlifORM (M f I

fTREAM o POOL o g::;gfYI

,c IMf)

RESULTS (TO BE FILLED IN BY LABORATORY ONLY)lUBE NUM8ER OR

1 .l •i ,j ,IRfAD

PORTIONS i \ \ l ,1 8Y

Ie f:' I..".f 5 (AA'I

PORTIONS IN Ml IlOGSl ,e 10 It' 'l .~T lk '-l. -.7" .., -:,. " ·2 .J .J .J .J .J .. .. .. .. ..PRESUMPllv/I'l ~.s .\- I .~ ~ ·l -\.. - - \ \- - - '. - - (fJ.,TEST + 1+ 1.+

J'\Alf COON!.. .1- +- t- +-,.~ +- +- t- 'r .J.. J- l1- .I- 'f- - -. J- .L

CONFIRMEDTESI W- 1-1-

~lt,l)(} ... ()tlJl.S..EC ,. ft- +- - I- .J- I- .- -LABORATORY REMARKS

DATE REe. DATE REPORTED ANA~YSTo LEAKED IN TRANSIT

cJ./1I

.\ J"I r'? l' '. q: I~o INSUFFICIENT SAMPlE

II

MAHIN LUUNJ J HtALIM LADU"MI Vl'{ I

920 GRAND AVE.• SAN RAFAEL, CA. 94901

ff..i

LAB REPORT

1:;-

II

( ~ I etAUK

WATER eEXAMINATION

o INSUFFICIENT SAMPLE

J:iIt I.~<"'fl

MARIN COUNTY HEALTH LABORATORY920 GRAND AVE.. SAN RAFAel, CA. 94901

479·) 100 EXT. 2727 I A

PURVEYOR AND ADDRESS "t.L MAKIN "t.y::> l..S.U. 80'lIINU~(I

rh

4 Montego Keyl'"."..." ~ nAnAn

rr~8~{ixrDAlE AND H()UA COuEC1EO COlifORM (II' P NI

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o DRINKING WATER SEWAGE 0 BAY o LAGOON i-~'cI"-'(1 1: 0 '"\ p II 0TVO{ OF C C) COlifORM 1M , ISAMPLE

''r-STREAM o POOL o ~~~~~FVIFe (M'l

RESULTS (TO BE FILLED IN BY LABORATORY ONLY)AlAD

rUBE NUMBER OR 1 \ \ , I .1 I .1 .1 l 8YPORTIONS FS IM'I

PORIIONS IN Ml /lOGSI IG Ie- ,e ·'l..x ~T '-:- ·1 '"..:L .~ 4· .J .J .J .J .J .. .. .. .. ..I~ (I .....

V;~ HQUAS ~. ~- t .~ t- .~ - ~ -\ \ .\- - \- - CI3PRESUMPTIVE ,. PlAn COUNT

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I..f-,. I I .1. .L .1 1 I I ~+-+ - I-

CONFIRMED PSEUOO'M)NAS

TEST .. +-Lt-.J i- ff- rt- +-ft- If- +-f- - -Ee. ,.

IABORATORV REMARKS DATE REC. DATE REPORTED ANA~YST

o LEAKED IN TRANSIT

d(1I

, .\1 J 'J c;7 1\ : - q I'4/'""I

I

WATER

EXAMINATIONlAB REPORT

CI Ph

COllfOIllM 1M P N I

E·C.IM PNI

&olliE NUMBER

q~

I

IIAVI : 8LAN' G41 ;j

o LAGOONo BAY

4 Montego Key

MARIN COUNTY HEALTH LABORATORY920 GRAND AVE.• SAN RAFAEL, CA. 94901

479·1 I 00 EXT. 2727PURVEYOR AND ADDRESS

TVPE OFSA.MPlE

EC. 3/:) ,. 1J±l±.1~·lt It I-H It 1±:t+I-1 1-1-1LABORATORY REMARkS _

o LEAKED IN TRANSIT DATE REC.

o INSUffiCIENT SAMPLE

Ol:t d..t. u- '" ~ .

.. !

DATE REppRTED

MARIN COUNTY HEALTH LABORATORY920 GRANO AVE. - SAN RAFAEL, CA 94901

479 1100 EXT 2727

WATER l)c' p,. I~.~.EXAMINATION lfA'" I e'AN'

PURI/tYOR AND ADDRESSBEL MARIN KEYS C.s D

BOTflr NUM8f11 So..m-( Cl r/ a.<J.. 4 Montego I(cv • • 2- i·1 ;

........1NG !'OIN' • 'UW'QIU, l,;C/rfornia 9'19~ COtLfClfO eY liAf! AND ...cull COUECTED COI.JJORM 1M P N) •

NOV)] 10 C!te @ R, R. f3~/DG -' 11tJu-·j..~-rT :J/~/tl7 IOj~ IS-S"3. r~ lAGOON <::.d <A-'f) 3 ,~H'i?

I C (MPNI

o DRINkiNG WAfER o SEWAGE o BAY I:~"r \JS" .. 0TYPE Of, (I),

SAMPLE

·fr£.<..-'-1COlIFOllM 1M I,

~'REAM o POOL 0OTHER - () ll61~t.....·ISPKlfY)

V a Fe 1M')

RESULTS (TO BE FILLED IN BY LABORATORY ONLY)TUBE NUMBER OR DEADPORTIONS e,

r S (Mr,PORI IONS IN Ml. ClOGS) I I I I 1 ·1 .' ·1 ·1 ·1 2 ·2 ·2 ·2 ., .J .] .J .J .] .. .. .. .. ..

HOURSPRESUMPTIVE ,.TEST P\AfE tOONf...CONfIRMED

,.TEST PS(UOOf,'lhl'(AS..E.C. ,.lABOllATORY REMARKS

DATE !lEC. DATE REPORTED ANA,LYST '1c·lcJ'. f t' I· k"o LEAKED IN TRANSIT 3 I ~~.

I p ............"'12> -'-\ -(li- cP I

f <. C'L~o INSUFFICIENT SAMPlE.? I

I

7623WATEREXAMINATION

MARIN COUNTY HEALTH LABORATORY920 GRANO AVE. - SAN RAFAEL, CA. 94901

479 1100 EXT 2727l[AVf lllANIC LAB REPORT

PURI/tYOR AND ADDRESS BEL MARIN KEYS C.S.D. 80"" NUMIl'R .} a."'( CI Ph

.. 4 Montego Key :z., RooI_. ,

ISAMPliNG PQfNT r_"«I6.U. ow,".~ 'Q ..~;s"+:::!

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f.C (MPHIo LAGOON

I/OTYPE OfSAMPlE C8

~TREAM -r. J ,'~ccxnORM (Mf)o POOL 0

OTHER(SPECifY)

RESULTS (TO BE FILLED IN BY LABORATORY ONLY)Fe {MFI

fUBE NUMBER ORPORTIONS I t I I I " .I . t .1 I

ll{~D

eyPORnONS IN Me nOGs! Ie 1(; Ie IC I( .L!'L- I"'-l.. "*'. ·2 7'~' '0.7' 1-, .] .J .J

• S 1M').] .] .. .. .. .. ..l' HOURS

~ l- ~..PRESUMPTIVE~'" ,. l- ~ ~ \- i- I, ~ - - +- t t6rEST '1:1" - + +- C6 PiAU COUNT

CONfiRMED ~~r ,. 0\- +- + 1-1- 1+ - - +-I-t- .-4- 1- -I+- ...- (h '0"TEST

4'~ .. +-1+ + 'or"'\o, - :f'jJ, f!'SElJOOMONAS

EC ~ ,. , + + i- f- +- - 1+ - ..... - -I- + I~..rLASORAlORY REMARKS CP>

o LEAKED IN TRANSITDATE REe. DATE REPORTED A

JL'

., I' 2: ~, ".

o INSUFFICIENT SAMPlE_. 6,

!

eeL. IVIJU"llI't na:::. T,::) l,;ommumty ~ervices District

Water Quality Criteria for the Classification Of

Testing Procedures

Samolinc for Bacteria

Water Contact Recreation Use "

Sample testing is performec under an agreement with the Marin County Health Laboratory. Twobusiness days before samples are delivered to the lab you must call them at 499-6849. Notify them ofthe sam~le quantity (numcer- of locations and cattles perJocation) you will be Ce!ivering and the tYl=e oftesting to be dcne.

Strict adherence to protocol guidelines is critical in sampling for bacteria. Contamination from anyoutside source will skew the results and invalidate the data.

The sampler must take several precautions to ensure gocd samples: stay clear of algal blooms, surfacedebris. oil slicks, and congregations of waterfowl; avoid agitating the bottom sediments; and do not allowthe boat propeller to stir up the water.

Sampling locations and times can be selected based on any number of factors including tide.temperature, rainfall, turbidity, salinity, discharge events and observations. In general sampling locationsand times should be determined by the objectives of the water quality monitoring program. Recentsampling has been performed at the following locations: Novato Creek, North locks dock; Novato Creek.South locks dock; North Lagoon, Community Center dock; South Lagoon; Dolphin Isle dock; SouthLagoon, Bahama Reef west dock.

Fill in the information on the label of a sterile 40z plastic bortie. The Marin County Health Laboratoryprovides these sterile bottles. At this time also complete the following information on a lab WaterExamination form also available from the Marin County Health Laboratory: Purveyor (Bel Marin KeysCSD), Bottle Number, Sampling Point, Collected By, Date and Hour Collected, Type of Sample.

Place the bottle into the sampling pole cup and remove the lid being sure not to touch the inside of the lidor the bottle. Hold the lid, do not set it down as it may become contaminated. Plunge the sampling polecup and bottle into the water at least 18-24 inches. In a single motion, pull the sampling pole cup andbottle up through the surface of the water and out. Bacteria tend to concentrate at the surface and thismethod will capture some of the organisms residing there. Replace the lid, again making sure not totouch the water in the bottle, the inside of the lid or the bottle rim. Place the bottle in a cooler with blueice for transport to the lab after all samples have been collected.

The test results are normally available from the lab in 5 days.

Salinity Testing

A hand held salinity refractometer is part of the water test kit kept in locker #1. Follow the instructionsincluded with the instrument (also attached to this document) and test the water at the same locations asthe bacteria sampling. The 0-100 PPT reading is used for your reporting. This reading generally will bein the 10 - 30 PPT range depending on seasonal factors such as rain. Be sure the instrument is cleanedwith fresh water and dried after each use.

.1

Qissolyed Oxygen Testing

During the hot weather months of the year it maycbecome necessary to tesc the oxygen level of thelagoon water. A sudden fish die off could indicate low oxygen levels in the water.

\

The test for dissolved oxygen req4ires the use of one or two sterile sample 'bottles that will hold a total ofone quart. Added to each bottle prior to water sampling are two regents to cO(1tral the production ofoxygen by organisms. The sample is taken out in the open water, near the area of a suspected problem.The sample should be taken from a depth of 5-6 feet and at least 2 feet above the bottom; this can bedone by taping the bottle to a PVC pole. Do not disturb the bottom where the sample is to taken. Whenthe sample is taken, the bottle must be completely filled so that no air remains in fue bottle when thestopper is inserted or the cap closed. The goal is to obtain a sample of only the water at the desireddepth and not the water ai:cve it. The samples must then be placed in a cooler with blue ice until theyare delivered to the lab. Ex;::osure to sunlight or heat can skew the test results. The laboratcrj used forthe dissolved oxygen test is Srelje and Race Laboratories in Santa Rosa. Test results are normallyavailable from the lab in i 0 days. '

Other Inorcanic Tests

At some point it may be necessary to test for ether inorganic compounds such as oil and gas. mercurl orpesticides. E3ch of these tests has special rec;uirements that should be discussed with the laboratoryprior to sampling. Sequoia Analytical in Petaluma has been used for these tests, Spare samplingcontainers supplied by Sequoia, with regents already in them, are kept in inventory at the CSD office.These containers are marked with the EPA test number to identify their use. Some of the containerregents are strong acids. Do not open these containers or use them for any purpose other thancollecting a water sample fer the specific test designated on the container. After the samples arecollected they should immediately be placed in a cooler with blue ice for transport to the lab. Before thesamples are transported to the lab a chain of custody form must be completed. Several completedexamples of this form can be found in the Sequoia file. The chain of custody form and the samplesshould be delivered to the lab within 24 hours of taking the sample or sooner if requested by the lab.

Inorganic testing is costly and becomes more expensive when short turn around times are required.Standard tum around time is ten days with most tests. A five-day tum around can usually be done whennecessary.

'.

....

"'...0

c:

BENEFICIAL USE FECAL COLIFORM (MPN I100ML) TOTAL COLIFORM (MPNI100Ml)

WatBrContaet log mean' 200 medan, 240

Reaeatior. 90th pen:enti 1'.1 < ~OO no :iarnpte > 10.000

\Shellfis.'l HarvllSllrgb median' 14 ",&da'l,70 \

00tll perceml \;l ( 43 90tn ,:€rtllnti'2 <z:roc

Non-contaet Wal6 mean' zecoRacI1!stiond 90th perten"Jte < 40al

Municipal Supply:. Surface Wot~ log mean (20 1:>0 r.'Iean < 100

- GrcunlMiater <. ;.If

NOTES;• Baoed on e m1r1num of n"" comacAlv. "'''!pl... eq-.,aUI' """,,II<! :r.""

a 3O-day partll! .b Sourea Nauena! Shall'1sh SaniUtJon PrlllJ"sm.c. Saslld on .n..lI.ba d8cl....1dlUllo~:lISt or 300 ~PNI1IIl mI _lr.

I/ll'eltotube daclmal dliUU:>n ~'t I' L;,ed.o. SourCl! R""orI of the eorrrnr.ue on WMP" Quaaty Cnte-la, :l:lu"",,1

Teclvllcal Advisory lAmmittee. 1968.e. Source:DOHS~,f, Bned on multlpl8llJIle f".....ntatlon ts:hnlc;ue: eq:dva'ent:et rt5'Jlts

based on other enaly1lc.a1 tllCt"."*Iuas. •••pac!fteo In the NatI:mi1Pt1:nary Dr1n1llng Water RegullrlJan, 40 CFR, Part '41.21if), r.,'sa.::Jur... 10, ~9il2. are acceptabl•.

fABLE 3 L u.s. EPA BACrERIOLOGICALCRlTERIA FOR WATER . ,', .- CONTACTRECREATlON'" (lNCfllOMlF5PFIl1001lJl) ",.,." .' ' ,

....ffiESH WATER

ENTEROCOCCI E. COLISALTWATERENTEROCOCCI

o

!II

...

Steady State (aU areas)

Max/mum&:

• desi!1l8tsd beactJ, rnoder8te1y U5ed area

• I:ghtly used area

· infrequently usad area

33

G189

108151

126

235298ol(]S

576

3S

104124276

500

<

NOTES;.. n.. em.,.l. Mr8 publlsh&d h ItT. Fe"-l!I'8I ~~r, Vol. 51, No. ~ /

Friday. Maron 7, 1S8t1/8012· ao,s. Thee-ltena am band Oil:ial CabeIlI, VJ. ,983. Hlllllth Elfaets Cdtal1. for Mlr1ne R•.:reet!o"llll\Yater>. U.s. EPA. EPA 1llOt'1-8)'o31. Cincinnati. Ohio. ano(b) Oufcur. A.P. 1!114. HaeM EffecI:s Crtterla 'or Fresh Rec.-eatlonaw-.. U.s. EPA, EPA 6llOr1~, C1nclnMtJ, OhIo.

Z. The U.S, EPA crlt.erla apply t:> __ c<nIaCt recreallon OIly, The:r>­terla provide for e IIlY8I Cor :r.>CedIon based or. tl'le frequency of usageof. given we..r con13Ct l'lICI'8llIJon 8rIla. The crtterla moy ba....pIoyed In special studies wl1hIn this region III dllfererrtl818-.poUUllon 3OUr"", or 10 5uppl.""nt tile curlf:llt a>llform ob.J-crl... f""'N_ ::onlllet :-.:reetlon.

pos1-ir Fax Note 7671 ~B~To

~ '?s.~\~C;CoJOepI. Co.

F'Ilone 1/ Phone II

Fax p"3·~~3

FaH 5""o-=t- \'"20

3-8 W ATE R QUALITY CONTROL p A N , 9 9 5

· )

.. BEL MARIN KEYS Community Services District

Water Quality Criteria for the Classification Of

\.Water Contact Recreation Use'"

State of California Objectives \\

The State of California water quality objectives for water contact recreation focus. on measuring the To'Coliform and the Fecal Coliform levels. The state criteria is based on a minimum'of five consecutivesamples equally spaced over a 30-day period. Each sample result is determined by the most probablenumber (MPN) method of averaging the sub-~ample results. Table 3 contains the state objectives.

Table 3

Fecal Coliform (MNPN/100ML)log mean < 200

90th percentile < 43

Total Coliform (MPN/100L)median < 240

no sample> 10,000

New state objectives are being implemented as a result of Assembly Bill 411 the beach bill. Theseobjectives will more closely follow the federal objectives and focus on Enterococci testing.

.. ) ,.

BEL MARIN KEYS Community Services District

Water Quality Criteria for the Classification Of\

\Water Contact Recreation Use

\."

By law there appear to be no requirements for the district to perform water qllJality testing. Districtrecords indicate a long history of water testing and suggest that early on the district management madecommitment to monitor the quality of the water in the two lagoons and Novato 2reek.

Federal Objectives

The U.S. EPA Bacteriological criteria for ~ater contact recreation is specifically based on determining tllevel of Enterococci and E. Coli bacteria of the fecal coliform family. Measuring these classes of bacterfocus the criteria more toward the level of bacteria from human feces, see Table 1. The federal criteriaalso differentiate between fresh water and salt water use as well as the frequency of usage of the areabeing tested. Table 2 shows the federal criteria. Note that the E. Coli group .. is not measured for sawater. This is because they do not survive very well in a salt water environment.

Table 1

Coliform bacteriaTotal Coliform - The total of all beneficial and harmful coliform bacteria in a sample

Fecal Coliform - All groups of coliform originating from human and animal fecesE. Coli - A specific group of coliform bacteria from the gut of humans and animalsEnterococci - A specific group of coliform bacteria from the human gut

Table 2 (In Coliform per 100ML)

Fresh Water Salt WaterEnterococci E. Coli Enterococci

Steady State (all areas) 33 126 35Maximum at:- designated beach 61 235 104- moderatelv used area 89 298 124- liahtlv used area 108 406 276- Infreauentlv used area 151 576 500