Yes

In the case an unexpired secondary source standard (with a unique manufacturing lot#) is not commercially available for any of the required analytes, can a secondary standard prepared from the same source material be used?

Yes

No

Multiple part question

Section 1D, Work Plan (page10 of RFP). Based on your knowledge (research or experience) of the chemical behavior and stability characteristics of these analytes in water samples, please provide any guidance on the following:

You should develop your methods to provide us the best results.

1. recommended water sample preservatives and dechlorination procedures

You should develop your methods to provide us the best results.

No

You should develop your methods to provide us the best results.

2. recommended maximum hold times

You should develop your methods to provide us the best results.

No

You should develop your methods to provide us the best results.

3. recommended sampling containers (if not amber glass jars)

You should develop your methods to provide us the best results.

No

You should develop your methods to provide us the best results.