Chromium 6 Sampling Results

10-Apr-01

Values are in parts-per-billion (ppb)

Sample Site

Sample

Date

Chromium 6

Los Arboles (Thousand Oaks)

1/4/01

0.12

Los Arboles (Thousand Oaks)

1/11/01

0.15

Los Arboles (Thousand Oaks)

1/19/01

0.09

Los Arboles (Thousand Oaks)

1/25/01

0.10

Los Arboles (Thousand Oaks)

2/1/01

0.09

Los Arboles (Thousand Oaks)

2/8/01

0.13

Los Arboles (Thousand Oaks)

2/15/01

0.12

Los Arboles (Thousand Oaks)

2/22/01

0.11

Los Arboles (Thousand Oaks)

3/1/01

0.12

Los Arboles (Thousand Oaks)

3/9/01

0.13

Los Arboles (Thousand Oaks)

3/23/01

0.09

Los Arboles (Thousand Oaks)

3/29/01

0.08

 

Contract Laboratory: West Coast Anaylytical Services

 

Reporting Limit: 0.01 ppb

 

 

 

 

Total Chromium and Chromium 6 Sampling Results

 

October 12, 2000

 

Values are in parts-per-billion (ppb)

 

Sample Site

Sample Date

Total Cr

WCAS

Cr 6

WCAS

Total Cr

MWL

Cr 6

MWL

Jensen Plant Influent

10/10/00

ND

0.07

 

 

Jensen Plant Effluent

10/10/00

ND

0.09

 

 

CA2

10/10/00

ND

0.09

ND

ND (0.08)

Smith Road (Calleguas)

10/10/00

ND

0.09

 

 

Kanan (Calleguas)

10/10/00

ND

0.08

ND

ND (0.09)

TOD (Calleguas)

10/10/00

ND

0.09

 

 

Borchard (Calleguas)

10/10/00

ND

0.11

 

 

Lynn Rd (Calleguas)

10/10/00

ND

0.10

 

 

CA Water #6 (Westlake Village)

10/10/00

ND

0.10

 

 

Summertime (City of Simi)

10/10/00

ND

0.10

ND

ND

Larch Crest (Thousand Oaks)

10/10/00

ND

0.08

 

 

 

WCAS = West Coast Analytical Services

MWL = Montgomery Watson Laboratories

Total Chromium reporting limit:  WCAS = 1 ppb, MWL = 2 ppb

Chromium 6 reporting limit:  WCAS = 0.01 ppb, MWL = 0.1 ppb