ND = Not Detected at the Minimum Reporting Level; - = Not Sampled; View all radionuclides


Radionuclide Monitoring - PWS ID: 00724 = ST HELENS, CITY OF
Sample
Date
Receive
Date
Source ID Gross Alpha [pCi/L]
(EPA 4002, 4000) MCL = 15
Radium Combined
(226,228) [pCi/L]
(EPA 4010) MCL = 5
Uranium Combined
[mg/L]
(EPA 4006) MCL = .03
Gross Beta Particle
Activity [pCi/L]
(EPA 4100) MCL = 50
10/24/1211/30/12EP-ANDNDND-
11/25/0901/05/10EP-A--ND-
04/03/0306/12/03EP-ANDND0.0000200-
06/25/0908/12/09EP-BNDNDND-
04/03/0306/12/03EP-BNDND0.0000400-
Archived Results
Sample
Date
Receive
Date
Chemical Source ID Results MCL  
05/14/9902/15/01Gross Alpha, Excl. Radon & UAC0.730000015.0000
05/16/9605/04/98Gross Alpha, Excl. Radon & UAA-0.01890015.0000
05/16/9605/04/98Gross Alpha, Excl. Radon & UABND15.0000
05/16/9605/04/98Gross Alpha, Excl. Radon & UBA-0.01300015.0000
12/23/9303/29/94Gross Alpha, Excl. Radon & UBA0.861000015.0000
11/10/9303/29/94Gross Alpha, Excl. Radon & UAA0.227000015.0000
01/23/9208/25/92Gross Alpha, Excl. Radon & UBND15.0000
01/16/9204/20/92Gross Alpha, Excl. Radon & UAND15.0000
01/16/9204/20/92Gross Alpha, Excl. Radon & UAND15.0000
01/05/8804/05/88Gross Alpha, Excl. Radon & UAND15.0000
07/20/8702/09/90Gross Alpha, Excl. Radon & UBND15.0000




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