Proper Recording and Crediting of Larvicide Work by Inspectors
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Proper Recording & Crediting of Larvicide Work by Inspectors
Proper Recording and Crediting of Larvicide Work by Inspectors.
1. A site should not be treated unless mosquito larvae are actually observed. Unless larvae are actually observed without using a dipper, a dip test should be undertaken in order to determine whether mosquito breeding is present.
2. Proper recording of larvicide activies:
A. Streams, storm sewer outlets and drainage ditches.
1. Site should be identified from street address at right angle to site, not parallel.
2. Credit one site larvicided per block worked.
3. Each pothole along stream course does not constitute a separate larvicide site.
B. Ponds and Standing Water
1. Site should be identified from street address parallel to site.
2. In general, credit one site larvicided per body of water per street address.
3. A series of small potholes all at the same street address does not constitute separate larvicide sites.
C. Bar Ditches – Roadside ditch near curb or should of road & running parallel to road & usually extending along entire block.
1. A ditch should be identified by block number of the street running parallel to ditch.
2. Credit one site larvicided per block larvicided per side of road.
3. Potholes in ditch do not constitute separate larvicide site.
Examples of Proper and Improper Recording:
1. Larviciding a stream, record as follows:
MAPLE STREET
T
D S
N d 1 r
2
3 F
F POT HOLES F O
O
O K
K L K L B L
B
B 0
0 0 0 0 5 0 5
5
202 204 206 208
CHESTNUT STREET
CCS-FRM-479 Effective Date 11/10/2011 Rev 1 Proper Recording & Crediting of Larvicide Work by Inspectors
Assume stream larvicide from 1st to 3rd record as follows:
1. 500 1st Street – 1 site larvicided.
2. 500 2nd Street – 1 site larvicided.
Do not:
1. Identify stream from Chestnut or Maple address.
2. Record each pothole between 2nd & 3rd as separate sites.
2. Larviciding Ponds and Standing water, record as follows:
POND
LARGE FIELD
300 BLOCK CHESTNUT STREET
308 EMPTY LOT 312
Standing water in potholes
Assume pond & standing water larvicide, record as follows:
1. 300 Chestnut – 1 site larvicided 2. 310 Chestnut – 1 site larvicided
Do Not:
1. Record each pothole as a site treated for 308 Chestnut.
3. Larviciding Bar Ditch, record as follows:
BAR DITCH
CHESTNUT STREET
t t t e e e e e e r r r t t t S S S
d T r d S 3 n 1
2
100 Block 200 block
CCS-FRM-479 Effective Date 11/10/2011 Rev 1 Proper Recording & Crediting of Larvicide Work by Inspectors
BAR DITCH
Assume bar ditches on both side of Chestnut in 100 & 200 blocks treated.
Record as follows:
1. 100 Chestnut – 2 sites larvicided
2. 200 Chestnut – 2 sites larvicided
CCS-FRM-479 Effective Date 11/10/2011 Rev 1