bids are invited for environmental monitoring rkpl - monitoring of ambient air quality at rrps , testing of potable ground water at rrps , testing of drinking water at rrps , monitoring of noise level at rrps , testing of stack emission at rrps , monitoring of ambient air quality at mrs , testing of potable ground water at mrs , testing of drinking water at mrs , monitoring of noise level at mrs , testing of stack emission at mrs , monitoring of ambient air quality at krs , testing of potable ground water at krs , testing of drinking water at krs , monitoring of noise level at krs , testing of stack emission at krs , monitoring of ambient air quality at brs , testing of potable ground water at brs , testing of drinking water at brs , monitoring of noise level at brs , testing of stack emission at brs total quantity : 140