PERMFILE71662

• Permit No: M1977141
• IBM Index Class Name: Permit File
• Doc Date: 4/13/1976
• Doc Name: FINAL PERMIT NPDES PN CO-0030546 BOULDER CNTY
• From: CDOH
• To: ANDESITE ROCK CO
• Media Type: D
• Archive: No

. B. MONITORING AND REPORTING
Representative Sampling
Pal
Page 3 of 10
Permit No.: CO-0030546
Samples and measurements taken as required herein shall be representative
of the volume and nature of the monitored discharge.
2. Reporting
Monitoring results obtained during the previous 3 months shall be summarized
for each month and reported on a Discharge Monitoring Report Form (EPA No.
3320-1), postmarked no later than the 28th day of the month following the
completed reporting period. The first report is due on July 28, 1976
If no discharge occurs, "No Discharge" shall be reported. Duplicate signed
copies of these, and all other reports required herein, shall be submitted
to the Regional Administrator and the State at the following addresses:
Colorado Department of Health U.S. Environmental Protection Agency
Water Quality Control Division 1860 Lincoln Street - Suite 900
4210 East 11th Avenue Denver, Colorado 80203
Denver, Colorado 80220 Attention: Enforcement - Permit Program
3. Definitions
a. A "composite" sample, for monitoring requirements, is defined as a
• minimum of four (4) grab samples collected at equally spaced two (2)
hour intervals and proportioned according to flow.
b. A "grab" sample, for monitoring requirements, is defined as a single
"dip and take" sample collected at a representative point in the discharge
stream.
c. An "instantaneous" measurement, for monitoring requirements, is defining
as a single reading, observation, or measurement using existing monitoring
facilities.
4. Test Procedures
Test procedures for the analysis of pollutants shall conform to regulations
. published pursuant to Section 304 (g) of the Act, and Colorado State Effluent
Limitations (400), under which such procedures may be required.
5. Recording of Results
For each measurement or sample taken pursuant to the requirements of
this permit, the permittee shall record the following information:
a. The exact place, date, and time of sampling;
b. The dates the analyses were performed;
c. The person(s) who performed [he analyses;